Data Execution Prevention (DEP) is a set of hardware and software technologies that help prevent damage from malicious software that attack your computer by executing arbitrary code from memory locations due to software vulnerabilities. DEP works by making sure that software uses system memory safely, blocking a technique used by hackers to exploit software vulnerabilities [...]

Accidentally deleted an important word document? Office crashed and your presentation was damaged? If you got Vista, you can restore any file within minutes thanks to Vista previous versions feature.
Vista automatically creates previous versions of your files without you having to create a backup of them manually. Previous versions are basically backup copies of files [...]

Suppose you’re at an open wireless hotspot and wish to connect the Samba server from your Windows laptop, but you don’t want to send data (documents, authentication hashes etc.) over the air in plain text.
Using SSH tunnels, you can encrypt all your network traffic and redirect it through a trusted computer when you’re connected to [...]

Hidden shares are special shares identified by the dollar sign ($) at the end of the share name. By default, Windows automatically creates administrative shares for each logical disk on your system in addition to another share called ADMIN$ for the Windows root directory.
Although these shares are designed for remote management and accessible only to [...]

If you ask a typical gamer what she thinks about her PC firewall, you’d get one answer: firewalls suck. Having constantly to open ports and change configuration makes firewalls really annoying for gamers. It gets especially nasty when you have a sizable collection of games that usually require different port ranges to be opened.
However, since [...]

Virtual memory is a truly great mechanism. It protects programs from one another and lets them utilize more memory than actually available. In a nutshell, you can think of virtual memory as an alternate set of memory addresses.
As you run more and more programs, at some point, you’ll begin running out of physical memory. Since [...]

Nowadays many web sites require you to type a user name and password before you can enter the site. One of Mozilla Firefox’s powerful features is the ability to save your passwords so you don’t need to type them in every time.
But how well Firefox protects your passwords? Apparently, by default, Firefox lets anyone view [...]

As part of Microsoft’s commitment to help mitigate the spread of malicious software, Windows Vista and later versions require kernel-mode software to have a digital signature before Windows will load it on a 64-bit computer system.
In order to disable Vista’s driver signing verification, you need to restart your computer and enter the Advanced Boot Options [...]

When you delete data files, the information is not really removed from the hard disk. Instead, the space that was occupied by the deleted data is deallocated and is available for use when new data is written to the disk. Until the space is overwritten, it is possible to recover delete data with raw disk [...]

User Account Control enables users to perform common tasks as non-administrators and as administrators without having to switch users, log off etc. User Account Control was developed to help prevent malicious programs silent installation and computer-wide infection.
By default, when you try to run an executable that has an administrative token (privilege), you’re prompted to consent [...]